Free Paycheck & Time Calculators
Convert hourly to salary, split overtime, fill a weekly time card, model a raise, count work days and calculate exact age — all in your browser. No sign-up, and nothing you type leaves your device.
All calculators
Click any tool to open it. Every page works offline-style and is private by design.
Hourly to Salary
Turn an hourly wage into weekly, monthly and annual pay.
Open →Salary to Hourly
Convert an annual salary into an equivalent hourly rate.
Open →Hours Calculator
Hours and minutes between clock-in and clock-out minus breaks.
Open →Weekly Time Card
Enter a week of shifts; get total, regular and overtime hours.
Open →Overtime Pay
Overtime pay at 1.5x (or any multiplier) from your rate.
Open →Pay Raise
New salary and dollar increase from a percentage raise.
Open →Work Days
Count working days between two dates, excluding weekends.
Open →Age Calculator
Exact age in years, months and days, plus days lived.
Open →Commission Pay
Commission plus base salary: totals, tiers and take-home context.
Open →Contractor Rate
The hourly rate a 1099 contractor needs to match a W-2 salary.
Open →Part-Time Pay
Weekly and annual pay from part-time hours and extra shifts.
Open →Shift Differential
Night and weekend differential pay: effective rate and annual extra.
Open →Bonus Paycheck
Gross bonus to estimated take-home under standard withholding.
Open →Recommended tools
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Why LeeChuanjing Pay
Private by design
All math runs on your device. We set no advertising or tracking cookies by default and send nothing to a server.
Instant & free
No account, no paywall. Open a tool and get an answer in one click.
Plain-English explainers
Every calculator includes the formula, a worked example, reference tables and FAQs so you understand the number.